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Infrared LEDs

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Presentation

Infrared-LED s emit light over a range of 700nm up to 1.000nm, which is no longer visible to the human eye, but can be very well detected by silicon photodiodes and phototransistors. The wavelength emitted depends upon the material used for the semiconductor chips. Standard wavelengths are 880nm and 950nm, whereby the 950nm are generally more favourable priced. Apart from the wavelength and switching speed, important characteristics of infrared LEDs are the direction of emission (sideways, upwards or downwards) and the angle of beam (decisive for the optical power in the forward direction).

Features

SMD or with pins

Emission direction upwards, downwards, sideways

Beam angle: +/-5? … +/-85?

Wavelength range: 700 nm … 1000 nm

Standard wavelengths: 850 nm, 880 nm and 950 nm

Radiation intensity up to 1000 mW/sr